राहुल आचार्य निम्नलिखित में से किस शास्त्रीय नृत्य शैली के प्रसिद्ध प्रतिपादक हैं?

In Kathak dance performance, which of the following instruments is primarily used to mark the rhythm?

In which century CE was the Sattriya dance form introduced?

Which of the following statements is true about Kathak?